US Flight Disruptions Blamed on Copper Wiring Upgrade, Says Transportation Secretary
The first flight back to New York’s JFK after the outage took off at 2:15 p.m. local time. That delay set a tone for a day of uncertainty as airlines scrambled to reschedule hundreds of flights. The incident highlighted the fragile link between infrastructure and daily travel. It also raised questions about how many more disruptions might follow.
What Happened
On Saturday, July 14 2024, air‑traffic control towers across 45 major U.S. airports experienced a three‑hour outage that halted all flight operations. The shutdown began at 11:00 a.m. local time and resumed at 2:15 p.m. The FAA’s National Air Traffic Controllers Association confirmed that the cause was a fault in the copper wiring that powers the towers’ communication systems. The first flight to return to JFK was a Delta 737 that landed at 2:30 p.m., marking the resumption of services. FAA Administrator Michael Whitaker explained that the wiring upgrade was part of a 2020 contract to replace aging copper with fiber‑optic cables. Transportation Secretary Pete Buttigieg, speaking to the press at the Washington D.C. airport, blamed the outage on “faulty equipment or an error by the upgrade crew.” The incident affected roughly 400 flights nationwide, with delays ranging from 30 minutes to several hours.
Source: Account to FAA and NACTCA.
Why It Matters
The outage exposed the vulnerability of America’s aging air‑traffic control infrastructure. The copper wiring in many FAA towers dates back to the 1960s, making it over 60 years old. When these systems fail, the ripple effect touches airlines, passengers, and the economy. Airlines lost an estimated $12 million in revenue on the day of the outage, and the Federal Aviation Administration’s budget for infrastructure upgrades was already under scrutiny.
The incident also highlighted how modern air travel depends on legacy systems. Even a brief power loss can halt flights across multiple hubs, forcing airlines to scramble for alternative routes and ground crews to manage stranded passengers. For ordinary travelers, this translates to missed business meetings, delayed vacation plans, and increased costs for rebooking.
Finally, the disruption undersc
Despite being over 60 years old, copper wiring in many towers still carries the majority of voice communications, while newer fiber links are often used only for data backup.

